A concise, focused study aid for the 2012 edition of CompTIA A+ Certification exams More than a million PC technicians hold the CompTIA A+ certification, which is a require certification by some software and hardware vendors. Designed to work with the Sybex family of certification guides for exams 220-801 and 220-802, this Review Guide is... more...

Mathematics discusses the fundamentals of four common branches of Mathematics: Arithmetic, Algebra, Geometry, and Trigonometry. This book contains a number of special features, wherein the rest of the text is fully metricated in accordance with the recommended International System of Units (S.I.), which is the modern form of the metric system. The... more...

Focused review for the CompTIA Security+ certification exam The CompTIA Security+ certification offers tremendous opportunities for IT professionals. For those who want to take their careers to the next level, CompTIA Security+ Review Guide: Exam SY0-401 is here to serve as a great resource for certification preparation. This concise, focused guide... more...

The bestselling book on Windows, now updated for the new 8.1 features Microsoft has fine-tuned Windows 8 with some important new features, and veteran author Andy Rathbone explains every one in this all-new edition of a long-time bestseller. Whether you're using Windows for the first time, upgrading from an older version, or just moving from Windows... more...

Windows 8.1 coverage that goes above and beyond all competitors? Serving as an evolutionary update to Windows 8, Windows 8.1 provides critical changes to parts of Windows 8, such as greater customization of the interface and boot operations, return of a 'start button' that reveals apps, greater integration between the two interfaces, and updates... more...

A seminal text, written by one of the world's leading experts in the field. In contrast to the hype and hubris of much media and business coverage, this book provides a synoptic and truly critical analysis of 'big data', 'open data' and the emerging data landscape. more...